<template>
  <a-layout>
    <a-layout-sider width="200" style="background: #fff">
    <a-menu
            mode="inline"
            :style="{ height: '100%', borderRight: 0 }"
    >
      <a-sub-menu key="sub1">
        <template #title>
              <span>
                <user-outlined />
                subnav 1
              </span>
        </template>
        <a-menu-item key="1">option1</a-menu-item>
        <a-menu-item key="2">option2</a-menu-item>
        <a-menu-item key="3">option3</a-menu-item>
        <a-menu-item key="4">option4</a-menu-item>
      </a-sub-menu>
      <a-sub-menu key="sub2">
        <template #title>
              <span>
                <laptop-outlined />
                subnav 2
              </span>
        </template>
        <a-menu-item key="5">option5</a-menu-item>
        <a-menu-item key="6">option6</a-menu-item>
        <a-menu-item key="7">option7</a-menu-item>
        <a-menu-item key="8">option8</a-menu-item>
      </a-sub-menu>
      <a-sub-menu key="sub3">
        <template #title>
              <span>
                <notification-outlined />
                subnav 3
              </span>
        </template>
        <a-menu-item key="9">option9</a-menu-item>
        <a-menu-item key="10">option10</a-menu-item>
        <a-menu-item key="11">option11</a-menu-item>
        <a-menu-item key="12">option12</a-menu-item>
      </a-sub-menu>
    </a-menu>
  </a-layout-sider>
  <a-layout-content
          :style="{ background: '#fff', padding: '24px', margin: 0, minHeight: '280px' }"
  >
<!--使用{{xxx}}来获取变量-->
    <a-list item-layout="vertical" size="large" :grid="{ gutter:20,column:3}"  :data-source="ebooks">
      <template #renderItem="{ item }">
        <a-list-item key="item.name">
          <template #actions>
          <span v-for="{ type, text } in actions" :key="type">
            <component v-bind:is="type" style="margin-right: 8px" />
            {{ text }}
          </span>
          </template>
          <a-list-item-meta :description="item.description">
            <template #title>
              <a :href="item.href">{{ item.name }}</a>
            </template>
            <template #avatar><a-avatar :src="item.cover" /></template>
          </a-list-item-meta>
        </a-list-item>
      </template>
    </a-list>
  </a-layout-content>
    </a-layout>
</template>

<script lang="ts">
import { defineComponent,onMounted,ref,reactive,toRef} from 'vue';
import axios from 'axios';
const listData:any = [];
for (let i = 0; i < 23; i++) {
  listData.push({
    href: 'https://www.antdv.com/',
    title: `ant design vue part ${i}`,
    avatar: 'https://zos.alipayobjects.com/rmsportal/ODTLcjxAfvqbxHnVXCYX.png',
    description:
            'Ant Design, a design language for background applications, is refined by Ant UED Team.',
    content:
            'We supply a series of design principles, practical patterns and high quality design resources (Sketch and Axure), to help people create their product prototypes beautifully and efficiently.',
  });
}
export default defineComponent({
  name: 'Home',
  setup(){
    const ebooks=ref();//ref()说明这是一个响应式数据，可以在js里面实时修改其值
    const ebook1=reactive({books:[]});
    onMounted(()=>{
      axios.get("/ebook/list").then((response)=>{
        const data=response.data;//将后端的数据拿出来
        ebooks.value=data.content;//将拿出来的数据赋值给前端的响应式变量，以便实时显示正确的值
        ebook1.books=data.content;
      });
    })
    return{
      ebooks,
      ebook2:toRef(ebook1,"books"),
      listData,
      pagination :{
        onChange: (page:any) => {
          console.log(page);
        },
        pageSize: 3,
      },
      actions:[
      { type: 'StarOutlined', text: '156' },
      { type: 'LikeOutlined', text: '156' },
      { type: 'MessageOutlined', text: '2' },
    ],
    }
  }
});
</script>

<style scoped>
  .ant-avatar{
    width: 50px;
    height: 50px;
    line-height: 50px;
    border-radius: 8%;
    margin: 5px 0;
  }
</style>
